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Clinical Trial
. 2006 May;141(5):827-832.
doi: 10.1016/j.ajo.2005.12.031. Epub 2006 Mar 20.

Visual performance of AcrySof ReSTOR apodized diffractive IOL: a prospective comparative trial

Carlos E Souza  1 , Cristina Muccioli, Eduardo S Soriano, Maria Regina Chalita, Filipi Oliveira, Lincoln L Freitas, Luci P Meire, Celina Tamaki, Rubens Belfort Jr
Affiliations
Clinical Trial

Visual performance of AcrySof ReSTOR apodized diffractive IOL: a prospective comparative trial

Carlos E Souza et al. Am J Ophthalmol. 2006 May.

Abstract

Purpose: Evaluate the visual performance of the AcrySof ReSTOR intraocular lens (IOL) and compare it with the monofocal SA60AT IOL.

Design: Prospective, nonrandomized, clinical trial.

Methods: Forty patients (80 eyes) from the Federal University of São Paulo were enrolled in two groups. Twenty-five patients were assigned to the ReSTOR group and 15 patients to the monofocal group. Inclusion criteria were corneal astigmatism <1.0 diopter, potential acuity meter >0.2 logMAR units, and no associated ocular diseases. Parameters analyzed included distance uncorrected and best-corrected visual acuity, near uncorrected and distance corrected visual acuity, intermediate visual acuity, contrast sensitivity (Pelli-Robson chart), stereopsis (Titmus test), reading speed, wavefront measurement (LADARWave aberrometer), and a quality-of-life questionnaire. main outcome measure: Distance and near uncorrected and best distance corrected visual acuity, contrast sensitivity, and reading speed.

Results: Distance uncorrected and best-corrected visual acuity in the ReSTOR group were not statistically different from the monofocal group (P = .66). Near uncorrected and distance corrected visual acuity were statistically better in the ReSTOR group than the monofocal group (0.16 +/- 0.13 vs 0.62 +/- 0.09, P < .001, and 0.14 +/- 0.12 vs 0.62 +/- 0.07, P < .001, respectively). The ReSTOR group demonstrated less spherical aberrations compared with the monofocal group (P < .001). Monocular photopic contrast sensitivity was statistically lower in the ReSTOR group (P < .001). Stereopsis and reading speed were not statistically different between the groups.

Conclusion: The AcrySof ReSTOR IOL provides a satisfactory full range of vision and achieves a more satisfactory quality of life when compared with the monofocal SA60AT IOL, but with lower contrast sensitivity.

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